Bridgeport Interact 2 - Quill Drive Belt Adjustment; Quill Drive Belt Removal

I
8.3.2
Qu
ill
Drive Belt
Adiustment
1.
Remove screws
(8301929)
and lift
pulley cover
(2759865)
off the mounting
housing
(8050161).
2. Loosen,
do not remove,
tbur
screws
(8300167)
securing
thc
drive
motor
to mounting
housing
(80s0161).
3.
Pulling the
motor away
from
the
head
will
increase
the
belt
tension.
Pushing
the motor
toward
the head
will
decrease the tension.
4.
Tighten the
four motor mounting screws when
the
proper
tension
is obtained.
5.
The beit should
have a tension of.294 N
(66
lb)
or should
deflect
in
the middle
on
one side,
3
rnm with
22 N
force
applied
(1/8"
with
15 lb
force).
8.3.3
Quill
Drive Belt
Removal
1. Disconnect
power to the
machine.
2. Remove
rwo
screws
(8301929)
and lift the
pulley cover
(2
1
59865)
off the motor
mounting
housing
(8050161).
3.
Remove
four
screws
(8300167),
holding the
drive motor
to the
motor
mounting
housing.
4.
Slide
the timing
belt
(8800012)
off. the
motor
pulley
(8050142).
5.
Loosen
the
four
screws
and pull the motor
pulley
(879180S)
off
the motor
shaft.
6.
Lift the
drive motor
off
the
motor
mounting housing
(8050161).
7.
Remove
two socket
head
cap screws
from the hinged push
button
housing
(8780063).
8. Carefully
note and
record the colour
and
location
of all six
limit switch
wires.
9.
Remove
the
six
wires
from
the three
limit switches.
10.
Remove two
socket
head cap screws
and
remove
the
right
side cover
and
joystick
housing
(8791904).
1 1. Attach
head
removal tool
(5T-6921)
(Figure
8-2)
to bearing
cap
(8025601)
using three
%
-
2O
x
.7
50
screws.
12.
Support
the
head with
a hoist
attached
to
tool
(5T-6921).
13. Remove
four
socket
head cap
screws
(3800499)
connecting
quill housing
(8050159)
to
motor
mounting
housing
(8050161).
14.
Lift
the upper
head
assembly
2
-
2
112".
15. Disconnect
the
oil line to
the left of
the meter
unit
(8303601).
16. Remove
the upper
head assembly.
8-9